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Finding the Fourth Proportional to 84,967.90, 127,452.06 and 25,804.02

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Solution

The fourth proportional to 84,967.90, 127,452.06 and 25,804.02 is: 38,706.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,967.90 : 127,452.06 = 25,804.02 : x
  2. Step 2: Convert to fraction form
    84,967.90/127,452.06 = 25,804.02/x
  3. Step 3: Cross multiply
    84,967.90x = 127,452.06 × 25,804.02
  4. Step 4: Simplify right side
    84,967.90x = 3,288,775,505.28
  5. Step 5: Solve for x
    x = 3,288,775,505.28/84,967.90
  6. Step 6: Final answer
    x = 38,706.09

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.